When it comes time to die, be not like those whose hearts are filled with the fear of death, so when their time comes they weep and pray for a little more time to live their lives over again in a different way. Sing your death song, and die like a hero going home.

The popularity of his Sister Fidelma Mysteries led, in January 2001, to the formation of an International Sister Fidelma Society in Charleston, South Carolina, with a website and a print magazine called The Brehon produced three times a year. A book, entitled The Sister Fidelma Mysteries: Essays on the Historical Novels of Peter Tremayne (MacFarland) was published in 2012, which includes contributions about the series from numerous international authorities.